radar signal
Bounce-back radio wave
A radar signal is a pulse of radio waves emitted by radar equipment to detect objects.
The signal bounces off surfaces and returns, revealing the location, distance, and speed of aircraft, ships, or other targets.
Extended to any indication picked up by radar: The radar signal showed an unidentified aircraft approaching.
- pulseArterial blood throb
- blipMomentary signal flash
- pingBrief metallic tone
- sweepBrush clean with broom
- antennaBroadcast signal receiver
tracking · detection · early warning · frequency · radio waves · doppler · transmission · reflection · wavelength · beam · target · aircraft · lock on · sonar · scan · air traffic control · return · microwave